//import com.cvit.Flyer;
//import com.cvit.Airplane;
//import com.cvit.SuperClass;
//import com.cvit.SubClass1;
//import com.cvit.SubClass2;
//import com.cvit.SubClass3;
package com.cvit;
public class Main
{
	public static void chooseClass(SubClass2 sub2);
	public static void chooseClass(SubClass3 sub3)
	public static void main (String args [])
	{ 
		Airplane airplane=new Airplane();
		airplane.takeOff();
		SubClass1 sub1=new aMethod();
		sub1.aMethod();
		System.out.println(sub1.x);
		airplane.fly();
		SubClass2 sub2=new aMethod();
		SubClass3 sub3=new aMethod();
		sub2.chooseClass();
		sub2.aMethod();
		sub3.chooseClass();
		sub3.aMethod();
		airplane.fly();
	}
}